A property of the escape of solar flare electrons into the interplanetary medium

Details A property of the escape of solar flare electrons into the interplanetary medium A property of the escape of solar flare electrons into the interplanetary medium

Apr 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pazh....4..197k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 4, Apr. 1978, p. 197-200.) Soviet Astronomy Letters, vol. 4, Mar.-Apr. 1978, p. 106-108

Astronomy and Astrophysics

Astronomy

1

Interplanetary Medium, Solar Electrons, Solar Flares, Solar Flux, Solar X-Rays, Electron Flux Density, Particle Acceleration, Solar Atmosphere, Solar Cosmic Rays, Solar Magnetic Field

Scientific paper

The relationship between the fraction of flare electrons remaining on the sun and the fraction escaping into the interplanetary medium for 32 solar X-ray flares is determined using measurements of X-ray intensity in the wavelength range from 0.5 to 3 A and measurements of electron-flux increases above 30 keV energy obtained with the Prognoz satellites. It is found that the maximum electron flux density measured at earth increases as the ratio of X-ray flux to electron flux at maximum decreases, that the X-ray flux increases as electron flux increases, and that the relationship between the X-ray/electron flux ratio at maximum and the maximum electron flux density measured at earth holds for flares of every importance class. It is concluded that an increase in the electron flux in the interplanetary medium results both from an increase in the absolute number of electrons accelerated on the sun and from a concomitant increase in the proportion of electrons capable of escaping from the sun.

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